I use Intel NICs in production except for the 700-series on Dell servers without issues.
I do have Dell servers with Broadcom 1GbE which work fine but don't have having any 10/25GbE Broadcoms in production.
May want to ask your question on Reddit.
At work, migrated from VMware to Proxmox. The question was which filesystem provides native snapshots? For standalone servers, it was ZFS. For clusters, it was Ceph.
I think of Ceph as an open-source version of vSAN. Researched Ceph and find out...